* {
  margin: 0;
  padding: 0;
}

div {
  width: 250px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid #909399;
  margin: 100px auto;
}

p {
  width: 130px;
  height: 30px;
  border: 1px solid #C0C4CC;
  text-align: center;
  line-height: 30px;
  /* cursor: no-drop; */
}

button {
  display: block;
  width: 50px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  margin-left: 10px;
  border: none;
  background-color: #409EFF;
  border: 0;
  border-style: groove;
  color: white;
  cursor: pointer;
  font-size: 12px;
  transition: all .6s;
}

button:hover {
  background-color: dodgerblue;
}

#code>span {
  display: inline-block;
  padding: 0px 1px;
  font-style: italic;
}